1. Atomic Structure

Electron Configuration — Quiz

Test your understanding of electron configuration with 5 practice questions.

Practice Questions

Question 1

Which of the following elements would you expect to have an anomalous electron configuration due to the stability of a half-filled d-subshell, but also a completely filled s-subshell?

Question 2

A neutral atom has the electron configuration $[Ar]3d^54s^1$. What is the identity of this atom?

Question 3

Which of the following ions is isoelectronic with a neutral Krypton (Kr) atom?

Question 4

Consider an element with atomic number 30. What is the electron configuration of its $+2$ ion?

Question 5

Which of the following statements correctly describes the electron configuration of a neutral atom of Palladium (Pd), which is an exception to the Aufbau principle?